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85840050 = 23522272521
BaseRepresentation
bin1010001110111…
…01000010110010
312222112010102010
411013131002302
5133433340200
612303503350
72061425352
oct507350262
9188463363
1085840050
11444aa99a
12248b7b56
1314a2663a
14b586b62
157809150
hex51dd0b2

85840050 has 48 divisors (see below), whose sum is σ = 213905952. Its totient is φ = 22780800.

The previous prime is 85840003. The next prime is 85840061. The reversal of 85840050 is 5004858.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32790 + ... + 35310.

It is an arithmetic number, because the mean of its divisors is an integer number (4456374).

Almost surely, 285840050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85840050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106952976).

85840050 is an abundant number, since it is smaller than the sum of its proper divisors (128065902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85840050 is a wasteful number, since it uses less digits than its factorization.

85840050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 85840050 is about 9264.9905558506. The cubic root of 85840050 is about 441.1266752164.

The spelling of 85840050 in words is "eighty-five million, eight hundred forty thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 227 454 681 1135 1362 2270 2521 3405 5042 5675 6810 7563 11350 12605 15126 17025 25210 34050 37815 63025 75630 126050 189075 378150 572267 1144534 1716801 2861335 3433602 5722670 8584005 14306675 17168010 28613350 42920025 85840050